Patent US3154733A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3154733A Expired / Lapsed US ⏱️ 0.0 years remaining

Pulse-type regulating system for generators

Assignee: AMF Inc
•
Filing: 1961-10-16
•
Granted: 1964-10-27
•
Expires: 1981-10-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Aloysius W Pratt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:48
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/34

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 173 words
IN A SYSTEM FOR MAINTAINING A DESIRED LEVEL OF OUTPUT POTENTIAL FROM A POLYPHASE ALTERNATING CURRENT GENERATOR HAVING A CONTROL WINDING TO CONTROL THE LEVEL OF OUTPUT POTENTIAL, THE COMBINATION OF A SENSING CIRCUIT CONNECTED TO SENSE THE GENERATOR OUTPUT POTENTIAL AND INCLUDING MEANS FOR DERIVING A UNIPOLAR SIGNAL FROM THE OUTPUT POTENTIAL, AND MEANS FOR MIXING A CONSTANT POTENTIAL WITH SAID UNIPOLAR SIGNAL TO DERIVE THEREBY A BIPOLAR SIGNAL; A SATURABLE CORE PULSE GENERATING CIRCUIT CONNECTED TO RECEIVE SAID BIPOLAR SIGNAL AND OPERATIVE TO PRODUCE A RECTANGULAR PULSE OF PREDETERMINED TIME DURATION WHENEVER SAID BIPOLAR SIGNAL CHANGES TO A CERTAIN POLARTY; AND A PLURALITY OF CONTROLLED RECTIFIERS EACH CONNECTED BETWEEN A DIFFERENT PHASE OF THE GENERATOR OUTPUT POTENTIAL AND THE CONTROL WINDING, EACH OF SAID CONTROLLED RECTIFIERS HAVING A GATE ELEMENT SO CONNECTED TO RECEIVE SAID RECTANGULAR PULSES AND FIRE ONLY THE ONE OF SAID CONTROLLED RECTIFIERS ASSOCIATED WITH THE MOST POSITIVE INSTANTANEOUS PHASE POTENTIAL, THEREBY PROVIDING A QUANTITY OF ENENRGIZATION TO THE CONTROL WINDING INVERSELY RELATED TO THE GENERATOR OUTPUT POTENTIAL.

References Cited (Backward Citations)

US2740086A Cited
US3032701A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-10-27 1968-04-27 1968-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-10-27 1972-04-27 1972-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-10-27 1976-04-27 1976-10-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag